package day1126;

import java.util.Scanner;

public class demo10 {
    public  static boolean A(int n)
    {
        int sum=0;
        for(int i=1;i<=n;i++)
        {
            if(n%i==0)
            {
                sum=sum+i;
            }
        }
        return sum==n;
    }
    public static void main(String[] args) {
        Scanner sc =new Scanner(System.in);
        int num=sc.nextInt();
        System.out.println(A(num));
    }
}
